/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package com.swak.netty.echo;

import com.swak.utils.Fmt;

import io.netty.channel.ChannelHandler.Sharable;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;

/**
 * Handler implementation for the echo server.
 */
@Sharable
public class EchoServerHandler extends ChannelInboundHandlerAdapter {

	@Override
	public void channelActive(ChannelHandlerContext ctx) throws Exception {
		super.channelActive(ctx);
		Fmt.out.println("有客户端连接");
	}

	@Override
	public void channelRead(ChannelHandlerContext ctx, Object msg) {
		// ctx.write(msg);
		Fmt.out.println("收到数据 - msg:" + msg);
		
		// 模拟异常
		int i = 1 / 0;
		Fmt.out.println(i);
	}

	@Override
	public void channelReadComplete(ChannelHandlerContext ctx) {
		// ctx.flush();
	}

	@Override
	public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
		// Close the connection when an exception is raised.
		Fmt.out.println("服务器接收数据异常：" + cause);
		ctx.fireExceptionCaught(cause);
	}
}
